129203560

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5119}}^1$

素因数の和:5761

約数の個数: 32

約数和(自身を含む): 291225600

約数和(自身を除く): 162022040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 5119, 6310, 10238, 12620, 20476, 25240, 25595, 40952, 51190, 102380, 204760, 3230089, 6460178, 12920356, 16150445, 25840712, 32300890, 64601780, 129203560]

約数ペア:

[(1, 129203560), (2, 64601780), (4, 32300890), (5, 25840712), (8, 16150445), (10, 12920356), (20, 6460178), (40, 3230089), (631, 204760), (1262, 102380), (2524, 51190), (3155, 40952), (5048, 25595), (5119, 25240), (6310, 20476), (10238, 12620)]